Ligand Pharmaceuticals Incorporated, a biopharmaceutical company, focuses on developing or acquiring technologies that help pharmaceutical companies to discover and develop medicines worldwide. Its commercial programs include Kyprolis and Evomela, which are used to treat multiple myeloma; Veklury for the treatment of moderate or severe COVID-19; Teriparatide injection product for osteoporosis; Vaxneuvance for the prevention of invasive disease caused by Streptococcus pneumoniae; and Pneumosil, a pneumococcal conjugate vaccine to help fight against pneumococcal pneumonia among children. The company also offers Rylaze, a recombinant erwinia asparaginase for the treatment of acute lymphoblastic leukemia or lymphoblastic lymphoma in adult and pediatric patients; and Nexterone, a captisol-enabled formulation of amiodarone; and Zulresso, a captisol-enabled formulation of brexanolone for the treatment of postpartum depression.